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As introduced by f9900df5f94, a REINDEX CONCURRENTLY job done for an index with predicates or expressions would set PROC_IN_SAFE_IC in its MyProc->statusFlags, causing it to be ignored by other concurrent operations. Such concurrent index rebuilds should never be ignored, as a predicate or an expression could call a user-defined function that accesses a different table than the table where the index is rebuilt. A test that uses injection points is added, backpatched down to 17. Michail has proposed a different test, but I have added something simpler with more coverage. Oversight in f9900df5f949. Author: Michail Nikolaev Discussion: https://postgr.es/m/CANtu0oj9A3kZVduFTG0vrmGnKB+DCHgEpzOp0qAyOgmks84j0w@mail.gmail.com Backpatch-through: 14
PostgreSQL tests ================ This directory contains a variety of test infrastructure as well as some of the tests in PostgreSQL. Not all tests are here -- in particular, there are more in individual contrib/ modules and in src/bin. Not all these tests get run by "make check". Check src/test/Makefile to see which tests get run automatically. authentication/ Tests for authentication (but see also below) examples/ Demonstration programs for libpq that double as regression tests via "make check" isolation/ Tests for concurrent behavior at the SQL level kerberos/ Tests for Kerberos/GSSAPI authentication and encryption ldap/ Tests for LDAP-based authentication locale/ Sanity checks for locale data, encodings, etc mb/ Tests for multibyte encoding (UTF-8) support modules/ Extensions used only or mainly for test purposes, generally not suitable for installing in production databases perl/ Infrastructure for Perl-based TAP tests recovery/ Test suite for recovery and replication regress/ PostgreSQL's main regression test suite, pg_regress ssl/ Tests to exercise and verify SSL certificate handling subscription/ Tests for logical replication